package blue.mqtt4j.core.topic;

import io.netty.channel.ChannelId;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;

/**
 * @author Jin Zheng
 * @since 2020-03-22
 */
public class TopicCache
{
	private static Logger logger = LoggerFactory.getLogger(TopicCache.class);

	private ConcurrentMap<String, ChannelId> cache = new ConcurrentHashMap<>();

	public TopicCache()
	{
	}



}
